Scaled boundary perfectly matched layer for wave propagation in a three-dimensional poroelastic medium

G Zhang, M Zhao, J Zhang, J Wang, X Du - Applied Mathematical Modelling, 2024 - Elsevier
In this paper, we introduce a novel direct time-domain artificial boundary condition, called
the scaled boundary perfectly matched layer, for wave problems in 3D unbounded fluid …

Effects of a V-shaped canyon with a circular underground structure on surface ground motions under SH wave propagation

X Chen, N Zhang, Y Gao, D Dai - Soil Dynamics and Earthquake …, 2019 - Elsevier
The two-dimensional scattering and diffraction of plane SH waves by a symmetrical V-
shaped canyon with a circular underground structure in a half-space is studied by using the …

Seismic response and deformation mechanism of near-fault deep tunnels in a strong earthquake area

C Zhang, Z Zhu, S Wang, C Shi, W Li - Acta Geotechnica, 2023 - Springer
The frequent occurrence of seismic activity in strong earthquake areas has led to the serious
damage of deeply buried underground engineering structures. In the face of numerous and …

Scattering of harmonic P1 and SV waves by a shallow lined circular tunnel in a poroelastic half-plane

Q Liu, C Yue, M Zhao - Soil Dynamics and Earthquake Engineering, 2022 - Elsevier
An analytical solution for the scattering of harmonic P1 and SV waves in a poroelastic half-
plane with a shallow lined tunnel is obtained using the plane complex theory in …

Effect of twin-parallel tunnels on seismic ground response due to vertically in-plane waves

H Alielahi, M Adampira - International Journal of Rock Mechanics and …, 2016 - Elsevier
In this paper, the effects of two long unsupported parallel tunnels on the seismic response of
the ground surface are studied, using the boundary element method in the time-domain. The …

Numerical study on the effect of a subway station on the surface ground motion

Q Sun, D Dias, X Guo, P Li - Computers and Geotechnics, 2019 - Elsevier
Better understanding the underground structure scattering on the wave propagation may aid
in the development of more safety earthquake resistant design and disaster prevention …

Coupled FEM/SBFEM investigation on the characteristic analysis of seismic motions of a trapezoidal canyon in a layered half-space

L Yanpeng, L Zhiyuan, H Zhiqiang, L Gao - Engineering Analysis with …, 2021 - Elsevier
Layered topographies and geologies are known to have considerable effects on the
spatially variable seismic motions scattered by a canyon in a layered half-space. In this …

Seismic analysis of a half-space containing a water-filled valley under 2D oblique incident waves by finite-infinite element method

YB Yang, XF Zhang, ZY Zhou, XL Wang, Z Li - soil dynamics and …, 2023 - Elsevier
This paper presents for the first time the seismic analysis of a half-space containing a water-
filled valley under 2D oblique P-and SV-waves by the finite-infinite element (FE-IFE) method …

Study on soil gap formation beneath existing underground structures due to new excavation below

X Liu, A Jiang, L Hai, Y Wan, J Li - Computers and Geotechnics, 2021 - Elsevier
For the safety and serviceability of an existing underground structure due to a new
excavation below, a soil-structure separation model based on subgrade reaction analysis is …

Equivalent inclusion method for arbitrary cavities or cracks in an elastic infinite/semi-infinite space

W Yang, Q Zhou, J Wang, BC Khoo… - International Journal of …, 2021 - Elsevier
Shallow tunnels free of or subjected to the surface effects excavated in an elastic rock mass
are usually simplified as an elastic infinite or semi-infinite plane problem with cavities in …